Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

NPA: 610 [Rate centres in NPA 610] [Dial plan for NPA 610]

NXX: 772

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
610-772 A Philadelphia Suburban Zone 31 PA PHLAPASLUMD  7421 AT&T - LOCAL 228      
610-772 0 Philadelphia Suburban Zone 31 PA LPTPPAMAGT3  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 228      
610-772 1 Philadelphia Suburban Zone 31 PA LPTPPAMAGT3  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 228      
610-772 2 Philadelphia Suburban Zone 31 PA PHLAPASLUMD  7421 AT&T - LOCAL 228      
610-772 3 Philadelphia Suburban Zone 31 PA LPTPPAMAGT3  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 228   2004-02-04   
610-772 4 Philadelphia Suburban Zone 31 PA LPTPPAMAGT3  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 228   2004-02-04   
610-772 5 Philadelphia Suburban Zone 31 PA LPTPPAMAGT3  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 228   2004-05-16   
610-772 6 Philadelphia Suburban Zone 31 PA LPTPPAMAGT3  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 228   2004-05-16   
610-772 7 Philadelphia Suburban Zone 31 PA LPTPPAMAGT3  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 228   2004-08-08   
610-772 8 Philadelphia Suburban Zone 31 PA PHLAPAFGD4S  967E PEERLESS NETWORK OF PENNSYLVANIA, LLC - PA 228   2020-04-29   
610-772 9 Philadelphia Suburban Zone 31 PA WNRTPAAHCMA  6626 OMNIPOINT COMMUNICATIONS ENTERPRISES, LP 228   2021-11-04   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.